TEMPERATURE CONVERTER

Overview BRIEF

Build a menu-based console application that converts values between Celsius, Fahrenheit, and Kelvin.

Tools & Skills Required CONCEPTS APPLIED

C++ Standard I/O (std::cin, std::cout) Floating-Point Precision (double, float) Arithmetic Operators & Expressions Control Flow (switch-case, if-else) Precision Formatting (<iomanip>, std::fixed, std::setprecision) Input Validation & Boundary Handling

Target & Features to Implement SPECIFICATION

• Convert Celsius to Fahrenheit
• Convert Fahrenheit to Celsius
• Convert Celsius to Kelvin
• Convert Kelvin to Celsius
• Use a switch-based menu
• Reject invalid temperature input: including values below Absolute Zero (0 K / -273.15 °C);
• Display results with suitable decimal precision

CORE FORMULAS • CONVERSION SPEC

Fahrenheit = (Celsius × 9/5) + 32

Celsius = (Fahrenheit − 32) × 5/9

Kelvin = Celsius + 273.15

Absolute Zero: 0.00 K / -273.15 °C

02 | PROJECT TWO • BEGINNER TRACK

2 BEGINNER

SIMPLE CALCULATOR

Overview BRIEF

Create a menu-driven calculator that performs repeated arithmetic operations until the user chooses to exit.

Tools & Skills Required CONCEPTS PRACTICED

Variables, Operators, Functions & Input/Output Switch Statements for Operation Selection Loops for Repeated Calculations (while, do-while) Conditional Checks & Division-by-Zero Guards Clean Exit Conditions & Loop Termination Optional Exception Handling for Invalid Input

Target & Features to Implement SPECIFICATION

• Addition, subtraction, and multiplication
• Division with explicit division-by-zero handling
• Modulus for integer operands
• Repeated calculations inside a loop
• An exit option that ends the program cleanly

OPERATION DISPATCH • CLEAN EXIT CRITERIA

[1] Addition: a + b

[2] Subtraction: a - b

[3] Multiply: a × b

[4] Division: b ≠ 0 guard

[5] Modulus: a % b (int)

[0] Clean Exit: break loop

03 | OBJECT MODELING • DATA STRUCTURES

3 INTERMEDIATE

CONTACT BOOK: DESIGN THE DATA MODEL

Overview BRIEF

Use a contact type and a collection of contacts to practice object-oriented design, searching, sorting, and encapsulation. Separate data representation cleanly from file operations.

Tools & Skills Required CONCEPTS APPLIED

01 Classes and Objects or Structures (struct / class) 02 Functions, Arrays, or Vectors (std::vector) 03 Strings & Collection Management (std::string) 04 Searching and Sorting (<algorithm>, linear / binary search) 05 File Handling & Serialization (<fstream>) 06 Encapsulation, Switch Statements & Exception Handling

Target & Architecture Guidelines SPECIFICATION

• Separate data representation from file operations: clean architectural boundary;
• Dynamic record collection: append new contact profiles into container without overflow;
• Lookup engine: search by Contact ID, full name, or phone number;
• Alphabetical sorting: sort contact vector alphabetically by name;
• Persistent serialization: save contacts to and load from text/binary file on disk.

STRUCT / CLASS FIELDS • SUGGESTED DATA MODEL

Field 01: Contact ID

Field 02: Name

Field 03: Phone number

Field 04: Email address

Field 05: Address